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Microspeakers are key components of mobile devices in current consumer products; moreover, the user experience of multimedia products plays an essential role. The objective of this study was to investigate the acoustic performance of microspeakers in different enclosure parameters for mobile devices. Two methodologies are performed. The first model is an electro-mechano-acoustical model (EMA) of microspeaker along with distribution model of enclosure effect; the 2nd model, the details of diaphragms are taken into account in calculating the distribution models of microspeaker with enclosure parameters. They were combined and applied to determine microspeaker performance levels for mobile devices. Two methodologies show acceptable agreement with experimental results. The distribution model can well simulate the high frequency response than lumped model of microspeaker. The results can predict microspeaker system performance before industrial design and mechanism placement processes are executed.
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